choose that many Effect Monsters your opponent controls, and until the end of this turn, their ATK is halved, also their effects are negated
So, while losing the permanent will set them back, theyre not being set back as far as youd think
Instead, they take effect in response to some listed condition becoming true: whenever you draw a card, when the enchanted creature dies, at the beginning of your upkeep
Had Waterfall required us to discard an energy card, Dr
Some older options include Mentor of the Meek and Garruk's Uprising, though these may require a bit more effort or specific conditions to draw a card
Indominus Rex, Alpha likes it both on the battlefield to sacrifice creatures before you bring out your massive dinosaur and in-hand to discard as part of its enters trigger